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Finding the Fourth Proportional to 64,160.70, 88,542.00 and 35,866.39

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Solution

The fourth proportional to 64,160.70, 88,542.00 and 35,866.39 is: 49,495.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,160.70 : 88,542.00 = 35,866.39 : x
  2. Step 2: Convert to fraction form
    64,160.70/88,542.00 = 35,866.39/x
  3. Step 3: Cross multiply
    64,160.70x = 88,542.00 × 35,866.39
  4. Step 4: Simplify right side
    64,160.70x = 3,175,681,724.05
  5. Step 5: Solve for x
    x = 3,175,681,724.05/64,160.70
  6. Step 6: Final answer
    x = 49,495.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.